diff --git a/Makefile.am b/Makefile.am
index 34dbafc2..7d5eb056 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -136,6 +136,7 @@ openbox_openbox_SOURCES = \
 	openbox/client.c \
 	openbox/client.h \
 	openbox/client_list_menu.c \
+	openbox/client_list_menu.h \
 	openbox/client_list_combined_menu.c \
 	openbox/client_list_combined_menu.h \
 	openbox/client_menu.c \